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NMEA THS Message

The Format THS Data message provides navigational heading information.

Example message:

$GPTHS,338.01,A*36

Where:

THS True Heading and Status
338.01 Heading, in degrees True [0 to 360]
A Heading mode indicator [A= Autonomous mode; E= Estimated (dead reckoning) mode; M= Manual input mode; S= Simulator mode; V= Data not valid]
*36 Checksum data